The problem is the businesses want to have their cake and eat it too. Damned if you do damned if you don't. If you don't focus on edge cases then later it's y

The problem is the businesses want to have their cake and eat it too. Damned if you do damned if you don't. If you don't focus on edge cases then later it's your fault for being sloppy. If you focus on edge cases you are "over engineering". Most of the time "over engineering" just means "I wish this was cheaper".